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Transform your energy storage system into a powerful, revenue-generating asset with EnerTech’s intelligent Bidirectional Power Conversion System. Seamlessly store, dispatch, and optimize energy flow for maximum efficiency and cost savings.




| Parameter | Specification |
|---|---|
| Power Rating | 50 kW to 1000 kW (Modular Design) |
| Configuration | Single Phase & Three Phase |
| DC Voltage Range | 400V - 1000V DC (Configurable) |
| AC Voltage | 230V Single Phase / 400V‒415V Three Phase |
| Frequency | 50 Hz / 60 Hz (Auto-adjustable) |
| Conversion Efficiency | Up to 98% (DC-AC) / 97% (AC-DC) |
| Round-Trip Efficiency | 95%+ (Including battery losses) |
| Power Factor | 0.8 Leading to 0.8 Lagging (Adjustable) |
| THD | <3% (Linear load), <5% (Non-linear load) |
| Response Time | <10ms |
| Switching Time | <100ms (Grid-Connected to Off-Grid) |
| Charge/Discharge Transition | <200ms at 90% rated power |
| Overload Capacity | 110% continuous, 150% for 10 seconds |
| Operating Temperature | -20°C to +55°C (Optional cooling) |
| Protection Rating | IP21 / IP54 (Optional outdoor) |
| Communication | RS485, Ethernet, 4G/Wi-Fi, MODBUS TCP/RTU |
| Battery Compatibility | LFP, NMC, Lead-Acid, Flow Batteries |
A Bidirectional Power Conversion System (PCS) is the intelligent heart of any Battery Energy Storage System (BESS). It’s a sophisticated power electronics device that enables two-way energy flow between your battery storage and the electrical grid or loads. Unlike conventional inverters that only convert DC to AC, a bidirectional PCS works both ways—charging batteries from AC sources (grid or generators) and discharging stored energy back to AC loads or the grid.
EnerTech’s Multi-Functional Bidirectional PCS is engineered to maximize the value of your energy storage investment. Whether you’re storing excess solar energy, performing peak shaving, providing grid services, or ensuring backup power, our PCS delivers intelligent, efficient, and reliable power conversion.
Why It Matters: In today’s dynamic energy landscape, simply storing energy isn’t enough. You need intelligent management—knowing when to charge, when to discharge, and how to optimize every watt. That’s exactly what our Bidirectional PCS delivers, making your BESS not just a backup system, but a strategic energy asset.

Investment: • PCS System: ₹50-75 lakhs • Battery System: ₹1.5-2 crores • Installation & Engineering: ₹15-20 lakhs • Total Investment: ₹2.15-2.95 crores

• Peak demand reduction: ₹25-35 lakhs/year • TOU arbitrage: ₹15-20 lakhs/year • Grid services revenue: ₹5-10 lakhs/year (if applicable) • Total Annual Benefit: ₹45-65 lakhs/year

• Total savings: ₹4.5-6.5 crores • Net benefit after investment: ₹1.55-3.55 crores • IRR: 20-35%

• DC-AC efficiency: 98% at full load • AC-DC efficiency: 97% at full charge • Round-trip efficiency: 95%+ (system level) • Standby consumption: <1% of rated power

• DC-AC efficiency: 98% at full load • AC-DC efficiency: 97% at full charge • Round-trip efficiency: 95%+ (system level) • Standby consumption: <1% of rated power

• MTBF: >100,000 hours • Design life: 15-20 years • Warranty: 5 years standard, 10 years optional • System availability: 99%+

Lithium ion battery chargers are capable of charging batteries quickly, allowing for rapid turnaround times and minimal downtime.

Many lithium ion battery chargers can be customized to meet specific customer requirements, such as output voltage, charging current, and charging time.

Peak Shaving & Demand Charge Reduction Automatically discharge batteries during peak demand hours to reduce expensive demand charges—often the largest component of commercial electricity bills. Our intelligent algorithms learn your consumption patterns and optimize discharge timing for maximum savings. Time-of-Use (TOU) Arbitrage Store energy when electricity rates are low (off-peak hours) and use or export it when rates are high (peak hours). The system automatically executes buy-low-sell-high strategies, creating a new revenue stream from your battery storage. Grid Export Revenue For grid-tied systems with net metering or feed-in tariffs, automatically export stored energy to the grid when prices are favorable. Our PCS handles all synchronization, power quality, and compliance requirements. Typical Savings: Commercial customers report 20-40% reduction in electricity bills and 3-5 year ROI on BESS investments with proper PCS optimization.

Grid-Forming Capability Our PCS can create its own stable grid—essential for microgrids, off-grid installations, and black start situations. It establishes voltage and frequency references, allowing other generators and loads to synchronize to it. Grid-Following Mode When connected to utility grid, the PCS seamlessly follows grid parameters, providing ancillary services like: • Frequency Regulation: Inject/absorb power in milliseconds to stabilize grid frequency • Voltage Support: Provide reactive power compensation to maintain voltage quality • Low Voltage Ride-Through (LVRT): Stay connected during grid voltage sags • Anti-Islanding Protection: Automatic disconnection during grid failures for safety

Millisecond-Level Response Time With response times under 10ms, our PCS can provide critical grid services: • Primary Frequency Response (PFR): Immediate response to frequency deviations • Fast Frequency Response (FFR): Sub-second frequency stabilization • Spinning Reserve: Instant power injection when needed • Black Start Services: Restore grid after complete blackout These fast-response capabilities make your BESS valuable to grid operators, creating opportunities for additional revenue through ancillary service contracts.

Optimized Charging Algorithms • Prevents overcharging and deep discharging that damage batteries • Temperature-compensated charging for different ambient conditions • Multi-stage charging profiles (bulk, absorption, float, equalization) • Cell balancing support for lithium-ion battery systems Cycle Life Extension By intelligently managing charge/discharge cycles and avoiding stress conditions (high C-rates, extreme SOC states), our PCS can extend battery life by 20-30% compared to basic systems. Battery Health Monitoring • Real-time State of Charge (SOC) tracking • State of Health (SOH) estimation • Predictive maintenance alerts • Thermal management integration

Renewable Integration Our PCS seamlessly integrates with: • Solar PV Systems: MPPT controllers or direct DC coupling • Wind Turbines: AC or DC coupled configurations • Fuel Cells: Hydrogen-to-power conversion • Diesel/Gas Generators: Hybrid operation for remote locations Intelligent Energy Routing The PCS automatically prioritizes energy sources based on: • Cost (fuel vs. grid electricity vs. stored energy) • Availability (renewable generation vs. grid vs. battery SOC) • Environmental impact (zero-emission sources first) • User-defined preferences and schedules

• 4G/LTE: Cellular connectivity for remote locations • Wi-Fi: Local network integration • Ethernet: Wired connectivity for data centers and facilities • GPRS: Backup communication channel Comprehensive Mobile & Web Platform • Real-time dashboard with power flow visualization • Historical data analysis and trend reports • Programmable schedules for charge/discharge • Remote control and parameter adjustments • Alert notifications (SMS, email, push notifications) • Multi-user access with role-based permissions Energy Management System (EMS) Integration Connects with third-party EMS platforms for: • Building Management System (BMS) integration • SCADA system connectivity • Cloud-based energy optimization platforms • Demand response programs


Peak Demand Management: Reduce demand charges during production peaks
Power Quality Improvement: Clean, stable power for sensitive equipment
Production Continuity: Seamless backup during grid interruptions
Renewable Integration: Store solar/wind energy for 24/7 operation


Energy Cost Optimization: Automated TOU arbitrage and demand management
LEED Certification Support: Contribute to green building certifications
Tenant Billing: Sub-metering capabilities for multi-tenant buildings
Emergency Power: Critical load support during outages


UPS Replacement/Augmentation: Battery energy storage as primary or secondary backup
Power Balancing: Manage fluctuating server loads efficiently
Grid Services Revenue: Sell frequency regulation services when not needed for backup
N+1 Redundancy: Multiple PCS units for mission-critical reliability


Cost Reduction: Lower electricity bills through intelligent energy management
Silent Backup: No diesel generators, maintaining guest comfort
Green Credentials: Sustainable power for eco-conscious travelers
24/7 Operation Support: Uninterrupted power for critical systems


Solar + Storage Systems
Energy Time-Shift: Store midday solar generation for evening peak usage
Solar Smoothing: Reduce impact of cloud transients on power output
Ramp Rate Control: Manage how fast power increases/decreases to grid
Capacity Firming: Guarantee power delivery despite weather variability


Wind Curtailment Reduction: Store excess wind energy when grid can't accept it
Power Quality Enhancement: Smooth highly variable wind output
Grid Code Compliance: Meet utility requirements for wind farm interconnection


Island Formation: Automatically create standalone grid during utility outages
Multi-Source Coordination: Manage solar, wind, diesel, and storage together
Load Prioritization: Ensure critical loads receive power first
Resynchronization: Seamless return to grid-connected mode when utility restores


Grid Stabilization Services
Frequency Regulation: Rapid injection/absorption for grid frequency control
Voltage Support: Reactive power for voltage stabilization
Transmission Congestion Relief: Store/discharge to manage grid bottlenecks
Renewable Firming: Make intermittent renewables dispatchable


Substation Support: Delay costly grid infrastructure upgrades
Peak Load Shaving: Reduce transformer stress during high demand
Power Quality Improvement: Reduce flicker, harmonics, and voltage sags


Home Energy Storage
Self-Consumption Maximization: Use solar energy even after sunset
Backup Power: Essential loads during grid outages
Net Metering Optimization: Store and time-shift energy for best rates
Virtual Power Plant (VPP) Participation: Aggregate home batteries for grid services


Common Area Power Management: Optimize lighting, elevators, pumps
Shared Solar + Storage: Community renewable energy systems
Peak Load Management: Reduce demand charges for entire complex
Since 1989, EnerTech has been pioneering power conversion technologies in India. Our journey from UPS systems to solar inverters to advanced BESS solutions means our Bidirectional PCS benefits from decades of real-world experience. We understand Indian power conditions—the voltage fluctuations, frequency variations, and grid instabilities—and engineer our products accordingly.
With over 35,000 installations across 20+ countries representing 600+ MW of deployed power, EnerTech’s technology is proven at scale. Our PCS systems operate successfully in diverse conditions—from Himalayan cold to desert heat, from stable European grids to challenging African power networks.
DC-DC Stage: Buck-boost converter maintains optimal battery voltage across wide SOC range DC-AC Stage: Three-level inverter with advanced SPWM for superior power quality



Verified Battery Partners: EnerTech PCS is tested and certified compatible with leading battery manufacturers including IPower, Tata Chemicals, Exide, BYD, CATL, LG Energy Solution, and Samsung SDI.
Delivering success through 35,000+ satisfied customers over the past 35+ years with our impeccable Battery Energy Storage System Installation.















Trusted by industries, businesses, and institutions for reliable solar and energy storage solutions. Proven performance backed by decades of engineering excellence and customer confidence.
A: A regular inverter only converts DC to AC (one-way). A bidirectional PCS converts both ways—DC to AC (discharging) and AC to DC (charging). It also includes sophisticated battery management, grid synchronization, and energy optimization features.
A: Typical installation timeline is 4-6 weeks from order placement to commissioning, including permits, equipment delivery, installation, and testing.
A: Yes! Our modular 50kW architecture allows easy capacity expansion. Simply add more modules as your needs grow.
A: Minimal. Monthly visual inspections, quarterly cleaning (if dusty environment), and annual professional servicing. Our IoT monitoring alerts you proactively to any issues.
A: Yes, we partner with multiple financial institutions offering equipment financing, energy-as-a-service, and OPEX models for BESS projects.
A: Through our mobile app and web portal, you can view real-time power flows, energy metrics, battery status, savings calculations, and historical data from anywhere.
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